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Digital Electronics

Digital Electronics
ASCII code is a

 5-bit code
 7-bit code
 10-bit code
 8-bit code

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 6
 3
 5
 4

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Digital Electronics
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

All of these
Input operation
Tristate output operation
Bi-directional I/O pin access

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +(2n-1-1),-2n-1
 +2n-1,-(2n-1-1)
 None of these
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
The switch which clears a flip-flop is know as

 None
 Reset
 Both A and B
 Clear

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 a NAND or a NOR
 an X-OR or an X-NOR
 an OR or a NAND
 an AND or an X-NOR

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